Home / 554,214.48-764,815.54-299,565.66

Finding the Fourth Proportional to 554,214.48, 764,815.54 and 299,565.66

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Solution

The fourth proportional to 554,214.48, 764,815.54 and 299,565.66 is: 413,400.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,214.48 : 764,815.54 = 299,565.66 : x
  2. Step 2: Convert to fraction form
    554,214.48/764,815.54 = 299,565.66/x
  3. Step 3: Cross multiply
    554,214.48x = 764,815.54 × 299,565.66
  4. Step 4: Simplify right side
    554,214.48x = 229,112,472,018.36
  5. Step 5: Solve for x
    x = 229,112,472,018.36/554,214.48
  6. Step 6: Final answer
    x = 413,400.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.